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authorBenoît Ganne <bganne@cisco.com>2019-07-01 17:10:41 +0200
committerNeale Ranns <nranns@cisco.com>2019-07-05 08:49:39 +0000
commitba6abfa0629f04830cc4908a93101ac4ce3bd474 (patch)
tree1ce0482b082d4c77ed7928173a9d650707912dbb /test/test_gbp.py
parent3918bdbcbb6459fe61eb5ab8bd1c30bf287e39ce (diff)
gbp: add unit-tests for anonymous l3out
Type: test Change-Id: Ib32c87b7f07c0552a6801a895332a0156c3c37f0 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'test/test_gbp.py')
-rw-r--r--test/test_gbp.py521
1 files changed, 495 insertions, 26 deletions
diff --git a/test/test_gbp.py b/test/test_gbp.py
index 2fbd6dc526e..e4d4390f081 100644
--- a/test/test_gbp.py
+++ b/test/test_gbp.py
@@ -197,29 +197,25 @@ class VppGbpExtItf(VppObject):
GBP ExtItfulation Interface
"""
- def __init__(self, test, itf, bd, rd):
+ def __init__(self, test, itf, bd, rd, anon=False):
self._test = test
self.itf = itf
self.bd = bd
self.rd = rd
+ self.flags = 1 if anon else 0
def add_vpp_config(self):
self._test.vapi.gbp_ext_itf_add_del(
- 1,
- self.itf.sw_if_index,
- self.bd.bd_id,
- self.rd.rd_id)
+ 1, self.itf.sw_if_index, self.bd.bd_id, self.rd.rd_id, self.flags)
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
self._test.vapi.gbp_ext_itf_add_del(
- 0,
- self.itf.sw_if_index,
- self.bd.bd_id,
- self.rd.rd_id)
+ 0, self.itf.sw_if_index, self.bd.bd_id, self.rd.rd_id, self.flags)
def object_id(self):
- return "gbp-ext-itf:[%d]" % (self.itf.sw_if_index)
+ return "gbp-ext-itf:[%d]%s" % (self.itf.sw_if_index,
+ " [anon]" if self.flags else "")
def query_vpp_config(self):
rs = self._test.vapi.gbp_ext_itf_dump()
@@ -637,11 +633,20 @@ class TestGBP(VppTestCase):
for i in self.lo_interfaces:
i.admin_up()
+ self.vlan_100 = VppDot1QSubint(self, self.pg0, 100)
+ self.vlan_100.admin_up()
+ self.vlan_101 = VppDot1QSubint(self, self.pg0, 101)
+ self.vlan_101.admin_up()
+ self.vlan_102 = VppDot1QSubint(self, self.pg0, 102)
+ self.vlan_102.admin_up()
+
def tearDown(self):
for i in self.pg_interfaces:
i.admin_down()
-
super(TestGBP, self).tearDown()
+ self.vlan_102.remove_vpp_config()
+ self.vlan_101.remove_vpp_config()
+ self.vlan_100.remove_vpp_config()
def send_and_expect_bridged(self, src, tx, dst):
rx = self.send_and_expect(src, tx, dst)
@@ -3637,15 +3642,9 @@ class TestGBP(VppTestCase):
# an external interface attached to the outside world and the
# external BD
#
- vlan_100 = VppDot1QSubint(self, self.pg0, 100)
- vlan_100.admin_up()
- VppL2Vtr(self, vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config()
- vlan_101 = VppDot1QSubint(self, self.pg0, 101)
- vlan_101.admin_up()
- VppL2Vtr(self, vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ VppL2Vtr(self, self.vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ VppL2Vtr(self, self.vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config()
# vlan_102 is not poped
- vlan_102 = VppDot1QSubint(self, self.pg0, 102)
- vlan_102.admin_up()
ext_itf = VppGbpExtItf(self, self.loop0, bd1, rd1)
ext_itf.add_vpp_config()
@@ -3662,19 +3661,19 @@ class TestGBP(VppTestCase):
#
# External Endpoints
#
- eep1 = VppGbpEndpoint(self, vlan_100,
+ eep1 = VppGbpEndpoint(self, self.vlan_100,
epg_220, None,
"10.0.0.1", "11.0.0.1",
"2001:10::1", "3001::1",
ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL)
eep1.add_vpp_config()
- eep2 = VppGbpEndpoint(self, vlan_101,
+ eep2 = VppGbpEndpoint(self, self.vlan_101,
epg_220, None,
"10.0.0.2", "11.0.0.2",
"2001:10::2", "3001::2",
ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL)
eep2.add_vpp_config()
- eep3 = VppGbpEndpoint(self, vlan_102,
+ eep3 = VppGbpEndpoint(self, self.vlan_102,
epg_220, None,
"10.0.0.3", "11.0.0.3",
"2001:10::3", "3001::3",
@@ -3700,8 +3699,8 @@ class TestGBP(VppTestCase):
p = (Ether(src=eep1.mac, dst="ff:ff:ff:ff:ff:ff") /
Dot1Q(vlan=100) /
ARP(op="who-has",
- psrc="10.0.0.3", pdst="10.0.0.128",
- hwsrc=eep1.mac, hwdst="ff:ff:ff:ff:ff:ff"))
+ psrc="10.0.0.3", pdst="10.0.0.128",
+ hwsrc=eep1.mac, hwdst="ff:ff:ff:ff:ff:ff"))
self.send_and_assert_no_replies(self.pg0, p)
#
@@ -3816,7 +3815,7 @@ class TestGBP(VppTestCase):
for rx in rxs:
self.assertEqual(rx[Ether].src, str(self.router_mac))
- self.assertEqual(rx[Ether].dst, vlan_102.remote_mac)
+ self.assertEqual(rx[Ether].dst, self.vlan_102.remote_mac)
#
# A subnet reachable through the external EP1
@@ -4122,7 +4121,477 @@ class TestGBP(VppTestCase):
# cleanup
#
self.pg7.unconfig_ip4()
- vlan_100.set_vtr(L2_VTR_OP.L2_DISABLED)
+ self.vlan_101.set_vtr(L2_VTR_OP.L2_DISABLED)
+ self.vlan_100.set_vtr(L2_VTR_OP.L2_DISABLED)
+
+ def test_gbp_anon_l3_out(self):
+ """ GBP Anonymous L3 Out """
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ self.vapi.cli("set logging class gbp level debug")
+
+ routed_dst_mac = "00:0c:0c:0c:0c:0c"
+ routed_src_mac = "00:22:bd:f8:19:ff"
+
+ #
+ # IP tables
+ #
+ t4 = VppIpTable(self, 1)
+ t4.add_vpp_config()
+ t6 = VppIpTable(self, 1, True)
+ t6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 2, 55, t4, t6)
+ rd1.add_vpp_config()
+
+ self.loop0.set_mac(self.router_mac)
+
+ #
+ # Bind the BVI to the RD
+ #
+ VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config()
+
+ #
+ # Pg7 hosts a BD's BUM
+ # Pg1 some other l3 interface
+ #
+ self.pg7.config_ip4()
+ self.pg7.resolve_arp()
+
+ #
+ # a GBP external bridge domains for the EPs
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0, None, None)
+ gbd1.add_vpp_config()
+
+ #
+ # The Endpoint-groups in which the external endpoints exist
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 113, rd1, gbd1,
+ None, gbd1.bvi,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+
+ # the BVIs have the subnet applied ...
+ ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 24)
+ ip4_addr.add_vpp_config()
+
+ # ... which is an Anonymous L3-out subnets
+ l3o_1 = VppGbpSubnet(
+ self, rd1, "10.0.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_ANON_L3_OUT,
+ sclass=113)
+ l3o_1.add_vpp_config()
+
+ #
+ # an external interface attached to the outside world and the
+ # external BD
+ #
+ VppL2Vtr(self, self.vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ VppL2Vtr(self, self.vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config()
+
+ ext_itf = VppGbpExtItf(self, self.loop0, bd1, rd1)
+ ext_itf.add_vpp_config()
+
+ #
+ # vlan_100 and vlan_101 are anonymous l3-out interfaces
+ #
+ ext_itf = VppGbpExtItf(self, self.vlan_100, bd1, rd1, anon=True)
+ ext_itf.add_vpp_config()
+ ext_itf = VppGbpExtItf(self, self.vlan_101, bd1, rd1, anon=True)
+ ext_itf.add_vpp_config()
+
+ #
+ # an unicast vxlan-gbp for inter-RD traffic
+ #
+ vx_tun_l3 = VppGbpVxlanTunnel(
+ self, 444, rd1.rd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3,
+ self.pg2.local_ip4)
+ vx_tun_l3.add_vpp_config()
+
+ #
+ # A remote external endpoint
+ #
+ rep = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ "10.0.0.201", "11.0.0.201",
+ "2001:10::201", "3001::101",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg7.local_ip4,
+ self.pg7.remote_ip4,
+ mac=None)
+ rep.add_vpp_config()
+
+ #
+ # ARP packet from host in external subnet are accepted, flooded and
+ # replied to. We expect 2 packets:
+ # - APR request flooded over the other vlan subif
+ # - ARP reply from BVI
+ #
+ p_arp = (Ether(src=self.vlan_100.remote_mac,
+ dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=100) /
+ ARP(op="who-has",
+ psrc="10.0.0.100",
+ pdst="10.0.0.128",
+ hwsrc=self.vlan_100.remote_mac,
+ hwdst="ff:ff:ff:ff:ff:ff"))
+ rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0, n_rx=2)
+
+ p_arp = (Ether(src=self.vlan_101.remote_mac,
+ dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=101) /
+ ARP(op="who-has",
+ psrc='10.0.0.101',
+ pdst="10.0.0.128",
+ hwsrc=self.vlan_101.remote_mac,
+ hwdst="ff:ff:ff:ff:ff:ff"))
+ rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0, n_rx=2)
+
+ #
+ # remote to external
+ #
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=vx_tun_l3.vni, gpid=epg_220.sclass, flags=0x88) /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src=str(rep.ip4), dst="10.0.0.100") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg7, p * 1, self.pg0)
+
+ #
+ # local EP pings router
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.0.0.100", dst="10.0.0.128") /
+ ICMP(type='echo-request'))
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, self.vlan_100.remote_mac)
+ self.assertEqual(rx[Dot1Q].vlan, 100)
+
+ #
+ # local EP pings other local EP
+ #
+ p = (Ether(src=self.vlan_100.remote_mac,
+ dst=self.vlan_101.remote_mac) /
+ Dot1Q(vlan=100) /
+ IP(src="10.0.0.100", dst="10.0.0.101") /
+ ICMP(type='echo-request'))
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.vlan_100.remote_mac)
+ self.assertEqual(rx[Ether].dst, self.vlan_101.remote_mac)
+ self.assertEqual(rx[Dot1Q].vlan, 101)
+
+ #
+ # A subnet reachable through an external router on vlan 100
+ #
+ ip_220 = VppIpRoute(self, "10.220.0.0", 24,
+ [VppRoutePath("10.0.0.100",
+ epg_220.bvi.sw_if_index)],
+ table_id=t4.table_id)
+ ip_220.add_vpp_config()
+
+ l3o_220 = VppGbpSubnet(
+ self, rd1, "10.220.0.0", 24,
+ # note: this a "regular" L3 out subnet (not connected)
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4220)
+ l3o_220.add_vpp_config()
+
+ #
+ # A subnet reachable through an external router on vlan 101
+ #
+ ip_221 = VppIpRoute(self, "10.221.0.0", 24,
+ [VppRoutePath("10.0.0.101",
+ epg_220.bvi.sw_if_index)],
+ table_id=t4.table_id)
+ ip_221.add_vpp_config()
+
+ l3o_221 = VppGbpSubnet(
+ self, rd1, "10.221.0.0", 24,
+ # note: this a "regular" L3 out subnet (not connected)
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4221)
+ l3o_221.add_vpp_config()
+
+ #
+ # ping between hosts in remote subnets
+ # dropped without a contract
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.221.0.1") /
+ ICMP(type='echo-request'))
+
+ rxs = self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ #
+ # contract for the external nets to communicate
+ #
+ acl = VppGbpAcl(self)
+ rule4 = acl.create_rule(permit_deny=1, proto=17)
+ rule6 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule4, rule6])
+
+ c1 = VppGbpContract(
+ self, 55, 4220, 4221, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ #
+ # Contracts allowing ext-net 200 to talk with external EPs
+ #
+ c2 = VppGbpContract(
+ self, 55, 4220, 113, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+ c3 = VppGbpContract(
+ self, 55, 113, 4220, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ #
+ # ping between hosts in remote subnets
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.221.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, self.vlan_101.remote_mac)
+ self.assertEqual(rx[Dot1Q].vlan, 101)
+
+ # we did not learn these external hosts
+ self.assertFalse(find_gbp_endpoint(self, ip="10.220.0.1"))
+ self.assertFalse(find_gbp_endpoint(self, ip="10.221.0.1"))
+
+ #
+ # from remote external EP to local external EP
+ #
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=113, flags=0x88) /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src=rep.ip4.address, dst="10.220.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, p * 1, self.pg0)
+
+ #
+ # ping from an external host to the remote external EP
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst=rep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ # self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 444)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # the sclass of the ext-net the packet came from
+ self.assertEqual(rx[VXLAN].gpid, 4220)
+ # policy was applied to the original IP packet
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ # since it's an external host the reciever should not learn it
+ self.assertTrue(rx[VXLAN].gpflags.D)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[IP].src, "10.220.0.1")
+ self.assertEqual(inner[IP].dst, rep.ip4.address)
+
+ #
+ # An external subnet reachable via the remote external EP
+ #
+
+ #
+ # first the VXLAN-GBP tunnel over which it is reached
+ #
+ vx_tun_r = VppVxlanGbpTunnel(
+ self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 445,
+ mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t.
+ VXLAN_GBP_API_TUNNEL_MODE_L3))
+ vx_tun_r.add_vpp_config()
+ VppIpInterfaceBind(self, vx_tun_r, t4).add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh vxlan-gbp tunnel"))
+
+ #
+ # then the special adj to resolve through on that tunnel
+ #
+ n1 = VppNeighbor(self,
+ vx_tun_r.sw_if_index,
+ "00:0c:0c:0c:0c:0c",
+ self.pg7.remote_ip4)
+ n1.add_vpp_config()
+
+ #
+ # the route via the adj above
+ #
+ ip_222 = VppIpRoute(self, "10.222.0.0", 24,
+ [VppRoutePath(self.pg7.remote_ip4,
+ vx_tun_r.sw_if_index)],
+ table_id=t4.table_id)
+ ip_222.add_vpp_config()
+
+ l3o_222 = VppGbpSubnet(
+ self, rd1, "10.222.0.0", 24,
+ # note: this a "regular" l3out subnet (not connected)
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4222)
+ l3o_222.add_vpp_config()
+
+ #
+ # ping between hosts in local and remote external subnets
+ # dropped without a contract
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.222.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ #
+ # Add contracts ext-nets for 220 -> 222
+ #
+ c4 = VppGbpContract(
+ self, 55, 4220, 4222, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c4.add_vpp_config()
+
+ #
+ # ping from host in local to remote external subnets
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.222.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 3, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 445)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # the sclass of the ext-net the packet came from
+ self.assertEqual(rx[VXLAN].gpid, 4220)
+ # policy was applied to the original IP packet
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ # since it's an external host the reciever should not learn it
+ self.assertTrue(rx[VXLAN].gpflags.D)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[Ether].dst, "00:0c:0c:0c:0c:0c")
+ self.assertEqual(inner[IP].src, "10.220.0.1")
+ self.assertEqual(inner[IP].dst, "10.222.0.1")
+
+ #
+ # ping from host in remote to local external subnets
+ # there's no contract for this, but the A bit is set.
+ #
+ p = (Ether(src=self.pg7.remote_mac, dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4, dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=445, gpid=4222, flags=0x88, gpflags='A') /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src="10.222.0.1", dst="10.220.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, p * 3, self.pg0)
+ self.assertFalse(find_gbp_endpoint(self, ip="10.222.0.1"))
+
+ #
+ # ping from host in remote to remote external subnets
+ # this is dropped by reflection check.
+ #
+ p = (Ether(src=self.pg7.remote_mac, dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4, dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=445, gpid=4222, flags=0x88, gpflags='A') /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src="10.222.0.1", dst="10.222.0.2") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_assert_no_replies(self.pg7, p * 3)
+
+ #
+ # cleanup
+ #
+ self.vlan_101.set_vtr(L2_VTR_OP.L2_DISABLED)
+ self.vlan_100.set_vtr(L2_VTR_OP.L2_DISABLED)
+ self.pg7.unconfig_ip4()
if __name__ == '__main__':